correct intersect unit test - was pointing to test binary
correct intersect unit test - was pointing to test binary

jmarshall/bedtools2,arq5x/bedtools2,jmarshall/bedtools2,arq5x/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,arq5x/bedtools2,arq5x/bedtools2,arq5x/bedtools2